Hopuhopu team - Li'l Sis Tease & Touch! Ver.1.01 Final Uncen (Official Translation) - Adult Sex Game

It uses Unity and Live2D functions.
This system generates different motions at random.

Usually, the animation is looped,
and accomplished by looping a base animation.

But then if you put a motion layer on top of that,
and play back at random,
unpredictable, random, human-like movements are automatically generated.